Urticaria and erythema (L49-L54)
Browse all the diagnosis codes used for urticaria and erythema (l49-l54). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.
Instructional Notations
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Diseases of the skin and subcutaneous tissue (L00–L99)
Urticaria and erythema (L49-L54)
L49 Exfoliation due to erythematous conditions according to extent of body surface involved
- L49.0 Exfoliation due to erythematous condition involving less than 10 percent of body surface
- L49.1 Exfoliation due to erythematous condition involving 10-19 percent of body surface
- L49.2 Exfoliation due to erythematous condition involving 20-29 percent of body surface
- L49.3 Exfoliation due to erythematous condition involving 30-39 percent of body surface
- L49.4 Exfoliation due to erythematous condition involving 40-49 percent of body surface
- L49.5 Exfoliation due to erythematous condition involving 50-59 percent of body surface
- L49.6 Exfoliation due to erythematous condition involving 60-69 percent of body surface
- L49.7 Exfoliation due to erythematous condition involving 70-79 percent of body surface
- L49.8 Exfoliation due to erythematous condition involving 80-89 percent of body surface
- L49.9 Exfoliation due to erythematous condition involving 90 or more percent of body surface
Exfoliation due to erythematous conditions according to extent of body surface involved (L49)
L51 Erythema multiforme
- L51.0 Nonbullous erythema multiforme
- L51.1 Stevens-Johnson syndrome
- L51.2 Toxic epidermal necrolysis [Lyell]
- L51.3 Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndrome
- L51.8 Other erythema multiforme
- L51.9 Erythema multiforme, unspecified
Erythema multiforme (L51)
- L52 Erythema nodosum
Erythema nodosum (L52)
- L54 Erythema in diseases classified elsewhere
Erythema in diseases classified elsewhere (L54)